734891065 has 4 divisors (see below), whose sum is σ = 881869284. Its totient is φ = 587912848.

The previous prime is 734891051. The next prime is 734891071. The reversal of 734891065 is 560198437.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400440121 + 334450944 = 20011^2 + 18288^2 .

It is a cyclic number.

It is not a de Polignac number, because 734891065 - 2¹¹ = 734889017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73489102 + ... + 73489111.

It is an arithmetic number, because the mean of its divisors is an integer number (220467321).

Almost surely, 2^734891065 is an apocalyptic number.

It is an amenable number.

734891065 is a deficient number, since it is larger than the sum of its proper divisors (146978219).

734891065 is a wasteful number, since it uses less digits than its factorization.

734891065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146978218.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 734891065 is about 27108.8742850012. The cubic root of 734891065 is about 902.4178054532.

The spelling of 734891065 in words is "seven hundred thirty-four million, eight hundred ninety-one thousand, sixty-five".